Reuse pcie_aer_is_native() to determine the native AER ownership.

Signed-off-by: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com>
---
v2:
	Replaced pcie_aer_is_native() at a later stage for automated
	backports.
---
 drivers/cxl/pci.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
index 2323169b6e5f..44a21ab7add5 100644
--- a/drivers/cxl/pci.c
+++ b/drivers/cxl/pci.c
@@ -529,7 +529,6 @@ static int cxl_pci_setup_regs(struct pci_dev *pdev, enum cxl_regloc_type type,
 
 static int cxl_pci_ras_unmask(struct pci_dev *pdev)
 {
-	struct pci_host_bridge *host_bridge = pci_find_host_bridge(pdev->bus);
 	struct cxl_dev_state *cxlds = pci_get_drvdata(pdev);
 	void __iomem *addr;
 	u32 orig_val, val, mask;
@@ -542,7 +541,7 @@ static int cxl_pci_ras_unmask(struct pci_dev *pdev)
 	}
 
 	/* BIOS has PCIe AER error control */
-	if (!host_bridge->native_aer)
+	if (!pcie_aer_is_native(pdev))
 		return 0;
 
 	rc = pcie_capability_read_word(pdev, PCI_EXP_DEVCTL, &cap);
-- 
2.17.1

Smita Koralahalli wrote:
> Reuse pcie_aer_is_native() to determine the native AER ownership.

Looks good.

On 21.07.23 21:47:40, Smita Koralahalli wrote:
> Reuse pcie_aer_is_native() to determine the native AER ownership.
> 
> Signed-off-by: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com>

With Sathyanarayanan comments addressed:

Reviewed-by: Robert Richter <rrichter@amd.com>

> ---
> v2:
> 	Replaced pcie_aer_is_native() at a later stage for automated
> 	backports.
> ---
>  drivers/cxl/pci.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
> index 2323169b6e5f..44a21ab7add5 100644
> --- a/drivers/cxl/pci.c
> +++ b/drivers/cxl/pci.c
> @@ -529,7 +529,6 @@ static int cxl_pci_setup_regs(struct pci_dev *pdev, enum cxl_regloc_type type,
>  
>  static int cxl_pci_ras_unmask(struct pci_dev *pdev)
>  {
> -	struct pci_host_bridge *host_bridge = pci_find_host_bridge(pdev->bus);
>  	struct cxl_dev_state *cxlds = pci_get_drvdata(pdev);
>  	void __iomem *addr;
>  	u32 orig_val, val, mask;
> @@ -542,7 +541,7 @@ static int cxl_pci_ras_unmask(struct pci_dev *pdev)
>  	}
>  
>  	/* BIOS has PCIe AER error control */
> -	if (!host_bridge->native_aer)
> +	if (!pcie_aer_is_native(pdev))
>  		return 0;
>  
>  	rc = pcie_capability_read_word(pdev, PCI_EXP_DEVCTL, &cap);
> -- 
> 2.17.1
>

On 7/21/23 2:47 PM, Smita Koralahalli wrote:
> Reuse pcie_aer_is_native() to determine the native AER ownership.

Although it is straightforward, IMO, the commit log should include
few words about *why* you are making this change.

For example, usage of host_bride->native_aer does not cover command
line override of AER ownership. So use pcie_aer_is_native() to
determine the ownership.

With that fixed,

Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>

> 
> Signed-off-by: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com>
> ---
> v2:
> 	Replaced pcie_aer_is_native() at a later stage for automated
> 	backports.
> ---
>  drivers/cxl/pci.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
> index 2323169b6e5f..44a21ab7add5 100644
> --- a/drivers/cxl/pci.c
> +++ b/drivers/cxl/pci.c
> @@ -529,7 +529,6 @@ static int cxl_pci_setup_regs(struct pci_dev *pdev, enum cxl_regloc_type type,
>  
>  static int cxl_pci_ras_unmask(struct pci_dev *pdev)
>  {
> -	struct pci_host_bridge *host_bridge = pci_find_host_bridge(pdev->bus);
>  	struct cxl_dev_state *cxlds = pci_get_drvdata(pdev);
>  	void __iomem *addr;
>  	u32 orig_val, val, mask;
> @@ -542,7 +541,7 @@ static int cxl_pci_ras_unmask(struct pci_dev *pdev)
>  	}
>  
>  	/* BIOS has PCIe AER error control */
> -	if (!host_bridge->native_aer)
> +	if (!pcie_aer_is_native(pdev))
>  		return 0;
>  
>  	rc = pcie_capability_read_word(pdev, PCI_EXP_DEVCTL, &cap);

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer